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Fun scientific experiments package Yizhenyihuan light changes(Chinese Edition)

paperback. Condición: New. Language:Chinese.Paperback. Pub Date: 2015-09-01 Pages: 16 Publisher: Popular Science Press fun scientific experiments package esthetic light changes package by combining a mirror image to show different angles. so that children from 6 to 12 years old a preliminary understanding of the principle of reflection. an initial understanding of lenticular lens imaging. scientific knowledge in the game experience. Nº de ref. del artículo: CX019307

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